解決済み

Expression or variable?
Test if arguments of the function are all variables (workspace variables names). Return 1 if yes, 0 if no. For example : ...

1年以上前

解決済み

Narcissistic number ?
Inspired by Problem 2056 created by Ted. In recreational number theory, a narcissistic number is a number that is the sum of ...

1年以上前

解決済み

Funny problems
Generate the following vector： if n=1 then q=1; elseif n=2 then q=[2 2 1]; elseif n=3 then q=[3 3 3 2 2 1]; ... end

1年以上前

解決済み

Find the repeating elements and repetitions of a row vector.
So let's say that x is a vector, for example, x = [4, 4, 5, 5, 5, 6, 7, 7，8, 8, 8, 8] Now we want to get the following two ve...

1年以上前

解決済み

Will there be a new leader?
Simply answer the title.

1年以上前

解決済み

Make a Star Pyramid
Create a star pyramid. First line will have 1 star, second will have two stars and so on... a basic program which is easily done...

1年以上前

解決済み

Morse Code Generator! Try it!
.... . .-.. .-.. --- . ...- . .-. -.-- --- -. . -.-.-- .-.. . - ... -.. --- ... --- -- . -- --...

1年以上前

解決済み

Backslang, odds are you used it at some point in time...
So backslang is a language that can be used to communicate in an easy decode code, if people know the rules of decoding it. Wel...

1年以上前

解決済み

counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...

1年以上前

解決済み

Ripping numbers apart!
So you have to "rip" a number apart into individual digits... The end output is a cell. That is if: x = 12345678 o...

1年以上前

解決済み

Can you beat the lottery?
Well this one you may not get every time, but it is a lottery! Here is the code that generates the lottery numbers (you can try ...

1年以上前

解決済み

Make an N-dimensional Multiplication Table
*INSTRUCTIONS* This is a multi-dimensional variant of the normal multiplication table used to teach elementary students multi...

1年以上前

解決済み

Cache me Outside
The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...

1年以上前

解決済み

Next Higher Power of B
|Given a number _n_ and a base _B_ greater than 1, return the lowest integer power of _B_ that is greater than or equal to _n_. ...

1年以上前

解決済み

The Dark Side of the Die
It is well-known that opposite sides of a classic hexahedral die add to 7. Given a vector of dice rolls, calculate the sum of th...

1年以上前

解決済み

Find number of days
The input is two date in string format (dd-mm-yyyy) find out the number of days between these two dates. Example: input: ...

1年以上前

解決済み

Find same numbers touching each other...
So the goal here is to find any number that is equal to its immediate neighbors and mark it true. Here is some examples: x...

1年以上前

解決済み

Finding neighbors of [-1:1] in a matrix....
Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...

1年以上前

解決済み

Finding the next number in a number list, are you able to crack it!
So it goes like this, I give a number list and you find the next value! I found a way to do it, just wondering how many other...

1年以上前

解決済み

NO _________ ALLOWED....
So you're given a sentence where if there is a particular word in the sentence then the output is 1, if it is not there then the...

1年以上前

解決済み

Twins in a Window
<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...

1年以上前

解決済み

Construct an index vector from two input vectors in vectorized fashion
Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

1年以上前

解決済み

Compute a sum of Ramanujan
Srinivasa Ramanujan defined the following function: Write a function to compute for various values of . See also Cody Proble...

1年以上前

解決済み

Array GCD
* Find Greatest Common Divisor in a given array * Function Template: function ans = arraygcd(a) % a=[45 15 200 ...

1年以上前

解決済み

Neural Net: Calculate Perceptron
This challenge is to calculate the Neural Net Perceptron value,P, given X, WH, and WP using ReLU on the hidden layer. This examp...

1年以上前

解決済み

Find the first N zeros of the 666 function
Using the following definition of the 666 function for this problem: _f(n)=sin('nnn')-cos(n*n*n)_, write a function that returns...

1年以上前

解決済み

Unusual Concatenations
The sum of the squares of certain unusual integers is equal to the concatenation of their individual digits. For example: ...

1年以上前

解決済み

Squares of odd numbers upto a given range
Find the squares of odd numbers upto a given range. If Given x=6 return y=(1^2,3^2,5^2) y=1,9,25 If Given x=5 retu...

1年以上前

解決済み

Ordered pairs of integers (I, J).
Write a MATLAB function that calculates the number of ordered pairs of integers (I, J) that can be formed satisfying the conditi...

1年以上前

解決済み

Move if I am Optimus Prime
If the number is a prime, roll out!

1年以上前